Automatically hide picture viewer actions after 4 seconds

app/src/main/java/org/jellyfin/androidtv/ui/picture/PictureViewerFragment.kt

@@ -11,6 +11,8 @@ import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.launch
 import kotlinx.serialization.decodeFromString
@@ -28,19 +30,23 @@ import org.jellyfin.sdk.model.constant.ItemSortBy
 import org.jellyfin.sdk.model.serializer.toUUIDOrNull
 import org.koin.android.ext.android.inject
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel
+import kotlin.time.Duration.Companion.seconds
 
 class PictureViewerFragment : Fragment(), View.OnKeyListener {
  companion object {
  const val ARGUMENT_ITEM_ID = "item_id"
  const val ARGUMENT_ALBUM_SORT_BY = "album_sort_by"
  const val ARGUMENT_ALBUM_SORT_ORDER = "album_sort_order"
  const val ARGUMENT_AUTO_PLAY = "auto_play"
+ private val AUTO_HIDE_ACTIONS_DURATION = 4.seconds
  }
 
  private val pictureViewerViewModel by sharedViewModel<PictureViewerViewModel>()
  private val api by inject<ApiClient>()
  private lateinit var binding: FragmentPictureViewerBinding
 
+ private var actionHideTimer: Job? = null
+
  override fun onCreate(savedInstanceState: Bundle?) {
  super.onCreate(savedInstanceState)
 
@@ -60,11 +66,25 @@ class PictureViewerFragment : Fragment(), View.OnKeyListener {
 
  override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
  binding = FragmentPictureViewerBinding.inflate(inflater, container, false)
- binding.actionPrevious.setOnClickListener { pictureViewerViewModel.showPrevious() }
- binding.actionNext.setOnClickListener { pictureViewerViewModel.showNext() }
- binding.actionPlayPause.setOnClickListener { pictureViewerViewModel.togglePresentation() }
+ binding.actionPrevious.setOnClickListener {
+ pictureViewerViewModel.showPrevious()
+ resetHideActionsTimer()
+ }
+ binding.actionNext.setOnClickListener {
+ pictureViewerViewModel.showNext()
+ resetHideActionsTimer()
+ }
+ binding.actionPlayPause.setOnClickListener {
+ pictureViewerViewModel.togglePresentation()
+ resetHideActionsTimer()
+ }
  binding.root.setOnClickListener { toggleActions() }
  binding.actionPlayPause.requestFocus()
+ arrayOf(binding.actionPrevious, binding.actionPlayPause, binding.actionNext).forEach {
+ it.setOnFocusChangeListener { _, _ ->
+ resetHideActionsTimer()
+ }
+ }
  return binding.root
  }
 
@@ -87,7 +107,10 @@ class PictureViewerFragment : Fragment(), View.OnKeyListener {
 
  private val keyHandler = createKeyHandler {
  keyDown(KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE, KeyEvent.KEYCODE_MEDIA_PLAY, KeyEvent.KEYCODE_MEDIA_PAUSE)
- .body { pictureViewerViewModel.togglePresentation() }
+ .body {
+ pictureViewerViewModel.togglePresentation()
+ resetHideActionsTimer()
+ }
 
  keyDown(KeyEvent.KEYCODE_DPAD_LEFT)
  .condition { !binding.actions.isVisible }
@@ -149,6 +172,22 @@ class PictureViewerFragment : Fragment(), View.OnKeyListener {
  else showActions()
  }
 
+ private fun resetHideActionsTimer() {
+ // Cancel existing timer (if it exists)
+ actionHideTimer?.cancel()
+
+ // Don't start the timer when already invisible
+ if (!binding.actions.isVisible) return
+
+ // Create new timer
+ actionHideTimer = lifecycleScope.launch {
+ delay(AUTO_HIDE_ACTIONS_DURATION)
+
+ // Only auto-hide when there is an active presenation
+ if (pictureViewerViewModel.presentationActive.value) hideActions()
+ }
+ }
+
  private fun AsyncImageView.load(item: BaseItemDto) {
  val url = api.imageApi.getItemImageUrl(
  itemId = item.id,